Search a number
-
+
8099089920 = 293251572239
BaseRepresentation
bin1111000101011111…
…00100111000000000
3202220102212101201100
413202233210320000
5113041331334140
63415355334400
7404463062025
oct74257447000
922812771640
108099089920
1134867a8149
1216a0451400
139c0c285cc
1456b8dd54c
15326070530
hex1e2be4e00

8099089920 has 240 divisors, whose sum is σ = 28240692480. Its totient is φ = 2145042432.

The previous prime is 8099089897. The next prime is 8099089931. The reversal of 8099089920 is 299809908.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3616161 + ... + 3618399.

It is an arithmetic number, because the mean of its divisors is an integer number (117669552).

Almost surely, 28099089920 is an apocalyptic number.

8099089920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8099089920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14120346240).

8099089920 is an abundant number, since it is smaller than the sum of its proper divisors (20141602560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8099089920 is a wasteful number, since it uses less digits than its factorization.

8099089920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The square root of 8099089920 is about 89994.9438579746. The cubic root of 8099089920 is about 2008.2236329184.

The spelling of 8099089920 in words is "eight billion, ninety-nine million, eighty-nine thousand, nine hundred twenty".